Conditions for Setting the DTC
WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
B1395 03
The BCM detects a voltage that is lower than 9 volts on the I/P dimming voltage reference circuit.
B1395 07
The BCM detects a voltage that is greater than 12 volts on I/P dimming voltage reference circuit.